mirror of
https://github.com/mattermost/mattermost.git
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309594cedf
* Add fix to not run browser check on Mobile Browsers or the App * remove non safari and IE checks * Replace useragent checking dependency and update UA tests * change some wording * change dependancy again to one with compatible licence * Fix typos and clarify wording * fix typo and comvert tests to use array
107 lines
3.2 KiB
Go
107 lines
3.2 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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package web
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import (
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"net/http"
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"strings"
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"github.com/NYTimes/gziphandler"
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"github.com/avct/uasurfer"
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l4g "github.com/alecthomas/log4go"
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"github.com/mattermost/mattermost-server/api"
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"github.com/mattermost/mattermost-server/model"
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"github.com/mattermost/mattermost-server/utils"
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)
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func Init(api3 *api.API) {
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l4g.Debug(utils.T("web.init.debug"))
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mainrouter := api3.BaseRoutes.Root
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if *api3.App.Config().ServiceSettings.WebserverMode != "disabled" {
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staticDir, _ := utils.FindDir(model.CLIENT_DIR)
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l4g.Debug("Using client directory at %v", staticDir)
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staticHandler := staticHandler(http.StripPrefix("/static/", http.FileServer(http.Dir(staticDir))))
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pluginHandler := pluginHandler(api3.App.Config, http.StripPrefix("/static/plugins/", http.FileServer(http.Dir(*api3.App.Config().PluginSettings.ClientDirectory))))
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if *api3.App.Config().ServiceSettings.WebserverMode == "gzip" {
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staticHandler = gziphandler.GzipHandler(staticHandler)
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pluginHandler = gziphandler.GzipHandler(pluginHandler)
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}
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mainrouter.PathPrefix("/static/plugins/").Handler(pluginHandler)
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mainrouter.PathPrefix("/static/").Handler(staticHandler)
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mainrouter.Handle("/{anything:.*}", api3.AppHandlerIndependent(root)).Methods("GET")
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}
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}
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func staticHandler(handler http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", "max-age=31556926, public")
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if strings.HasSuffix(r.URL.Path, "/") {
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http.NotFound(w, r)
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return
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}
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handler.ServeHTTP(w, r)
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})
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}
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func pluginHandler(config model.ConfigFunc, handler http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if *config().ServiceSettings.EnableDeveloper {
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w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
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} else {
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w.Header().Set("Cache-Control", "max-age=31556926, public")
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}
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if strings.HasSuffix(r.URL.Path, "/") {
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http.NotFound(w, r)
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return
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}
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handler.ServeHTTP(w, r)
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})
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}
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// Due to the complexities of UA detection and the ramifications of a misdetection only older Safari and IE browsers throw incompatibility errors.
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// Map should be of minimum required browser version.
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var browserMinimumSupported = map[string]int{
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"BrowserIE": 11,
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"BrowserSafari": 9,
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}
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func CheckClientCompatability(agentString string) bool {
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ua := uasurfer.Parse(agentString)
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if version, exist := browserMinimumSupported[ua.Browser.Name.String()]; exist && ua.Browser.Version.Major < version {
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return false
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}
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return true
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}
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func root(c *api.Context, w http.ResponseWriter, r *http.Request) {
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if !CheckClientCompatability(r.UserAgent()) {
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w.Header().Set("Cache-Control", "no-store")
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page := utils.NewHTMLTemplate(c.App.HTMLTemplates(), "unsupported_browser")
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page.Props["Title"] = c.T("web.error.unsupported_browser.title")
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page.Props["Message"] = c.T("web.error.unsupported_browser.message")
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page.RenderToWriter(w)
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return
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}
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if api.IsApiCall(r) {
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api.Handle404(c.App, w, r)
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return
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}
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w.Header().Set("Cache-Control", "no-cache, max-age=31556926, public")
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staticDir, _ := utils.FindDir(model.CLIENT_DIR)
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http.ServeFile(w, r, staticDir+"root.html")
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}
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